blob: 4b587860dba6ad5c3ca76201894a4afe5a7101ab [file] [edit]
// THIS FILE IS AUTOGENERATED.
// Any changes to this file will be overwritten.
// For more information about how codegen works, see font-codegen/README.md
#[allow(unused_imports)]
use crate::codegen_prelude::*;
/// [hhea](https://docs.microsoft.com/en-us/typography/opentype/spec/hhea) Horizontal Header Table
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Hhea {
/// Typographic ascent.
pub ascender: FWord,
/// Typographic descent.
pub descender: FWord,
/// Typographic line gap. Negative LineGap values are treated as
/// zero in some legacy platform implementations.
pub line_gap: FWord,
/// Maximum advance width value in 'hmtx' table.
pub advance_width_max: UfWord,
/// Minimum left sidebearing value in 'hmtx' table for glyphs with
/// contours (empty glyphs should be ignored).
pub min_left_side_bearing: FWord,
/// Minimum right sidebearing value; calculated as min(aw - (lsb +
/// xMax - xMin)) for glyphs with contours (empty glyphs should be ignored).
pub min_right_side_bearing: FWord,
/// Max(lsb + (xMax-xMin))
pub x_max_extent: FWord,
/// Used to calculate the slope of the cursor (rise/run); 1 for
/// vertical caret, 0 for horizontal.
pub caret_slope_rise: i16,
/// 0 for vertical caret, 1 for horizontal.
pub caret_slope_run: i16,
/// The amount by which a slanted highlight on a glyph needs to be
/// shifted to produce the best appearance. Set to 0 for
/// non-slanted fonts
pub caret_offset: i16,
/// Number of LongMetric entries in 'hmtx'/'vmtx' table
pub number_of_long_metrics: u16,
}
impl Hhea {
/// Construct a new `Hhea`
#[allow(clippy::too_many_arguments)]
pub fn new(
ascender: FWord,
descender: FWord,
line_gap: FWord,
advance_width_max: UfWord,
min_left_side_bearing: FWord,
min_right_side_bearing: FWord,
x_max_extent: FWord,
caret_slope_rise: i16,
caret_slope_run: i16,
caret_offset: i16,
number_of_long_metrics: u16,
) -> Self {
Self {
ascender,
descender,
line_gap,
advance_width_max,
min_left_side_bearing,
min_right_side_bearing,
x_max_extent,
caret_slope_rise,
caret_slope_run,
caret_offset,
number_of_long_metrics,
}
}
}
impl FontWrite for Hhea {
#[allow(clippy::unnecessary_cast)]
fn write_into(&self, writer: &mut TableWriter) {
(MajorMinor::VERSION_1_0 as MajorMinor).write_into(writer);
self.ascender.write_into(writer);
self.descender.write_into(writer);
self.line_gap.write_into(writer);
self.advance_width_max.write_into(writer);
self.min_left_side_bearing.write_into(writer);
self.min_right_side_bearing.write_into(writer);
self.x_max_extent.write_into(writer);
self.caret_slope_rise.write_into(writer);
self.caret_slope_run.write_into(writer);
self.caret_offset.write_into(writer);
(0 as i16).write_into(writer);
(0 as i16).write_into(writer);
(0 as i16).write_into(writer);
(0 as i16).write_into(writer);
(0 as i16).write_into(writer);
self.number_of_long_metrics.write_into(writer);
}
fn table_type(&self) -> TableType {
TableType::TopLevel(Hhea::TAG)
}
}
impl Validate for Hhea {
fn validate_impl(&self, _ctx: &mut ValidationCtx) {}
}
impl TopLevelTable for Hhea {
const TAG: Tag = Tag::new(b"hhea");
}
impl<'a> FromObjRef<read_fonts::tables::hhea::Hhea<'a>> for Hhea {
fn from_obj_ref(obj: &read_fonts::tables::hhea::Hhea<'a>, _: FontData) -> Self {
Hhea {
ascender: obj.ascender(),
descender: obj.descender(),
line_gap: obj.line_gap(),
advance_width_max: obj.advance_width_max(),
min_left_side_bearing: obj.min_left_side_bearing(),
min_right_side_bearing: obj.min_right_side_bearing(),
x_max_extent: obj.x_max_extent(),
caret_slope_rise: obj.caret_slope_rise(),
caret_slope_run: obj.caret_slope_run(),
caret_offset: obj.caret_offset(),
number_of_long_metrics: obj.number_of_long_metrics(),
}
}
}
impl<'a> FromTableRef<read_fonts::tables::hhea::Hhea<'a>> for Hhea {}
impl<'a> FontRead<'a> for Hhea {
fn read(data: FontData<'a>) -> Result<Self, ReadError> {
<read_fonts::tables::hhea::Hhea as FontRead>::read(data).map(|x| x.to_owned_table())
}
}